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ISO 8674 Metric Fine Pitch Thread M6 To M36 Carbon Steel Nuts

Jiaxing City Qunbang Hardware Co., Ltd

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Address: No.375,Tongle Road,Jiaxing City,Zhejiang Province,China

Contact name:Lance

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ISO 8674 Metric Fine Pitch Thread M6 To M36 Carbon Steel Nuts

Country/Region china
City & Province jiaxing zhejiang
Categories Nuts
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Product Details

ISO 8674 Metric Fine Pitch Thread M6 To M36 Carbon Steel Nuts

 

 

Process flow

 

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ tapping ➨make heat treatment(if need)Finish Packing

 

Hot forging

Cutting material hot forging turning tapping make heat treatment(if need)Finish Packing

 

Specification

 


 

Thread Size
D
M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 (M33) M36
P Pitch Fine thread-1
Fine thread-2
c max
min
da max
min
dw min
e min
m max
min
mw min
s max=nominal size
min
1 1 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2 2 3
- (1.25) (1.25) - - - (2) - - - - - -
0.6 0.6 0.6 0.6 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
0.15 0.15 0.15 0.15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
8.75 10.8 13 15.1 17.3 19.5 21.6 23.7 25.9 29.1 32.4 35.6 38.9
8 10 12 14 16 18 20 22 24 27 30 33 36
11.63 14.63 16.63 19.64 22.49 24.85 27.7 31.35 33.25 38 42.75 46.55 51.11
14.38 17.77 20.03 23.36 26.75 29.56 32.95 37.29 39.55 45.2 50.85 55.37 60.79
7.5 9.3 12 14.1 16.4 17.6 20.3 21.8 23.9 26.7 28.6 32.5 34.7
7.14 8.94 11.57 13.4 15.7 16.9 19 20.5 22.6 25.4 27.3 30.9 33.1
5.71 7.15 9.26 10.72 12.56 13.52 15.2 16.4 18.08 20.32 21.84 34.72 26.48
13 16 18 21 24 27 30 34 36 41 46 50 55
12.73 15.73 17.73 20.67 23.67 26.16 29.16 33 35 40 45 49 53.8

 

 

 

Product Grade

 

Class 5 Class 6 Class 8 Class 10 Class 12

 

 

Materials and Chemical compstition

 

1008

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028

 

 

1035

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02

 

 

10B21

CHEMICAL COMPOSI %
C Si Mn P S Cr B
0.2 0.04 0.81 0.017 0.007 0.017 0.0021

 

 

1045

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

 

40CR

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.4 0.21 0.54 0.015 0.008 0.95 0.02 0.02

 

35CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.35 0.22 0.59 0.01 0.003 0.93 0.01 0.01 0.21

 

 

42CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.42 0.27 0.92 0.013 0.004 1.01 0.03 0.04 0.2

 

Finish

 

PLAIN ,ZP, YZP,BLACK, HDG ,DACROMET ,GEOMET ,CHROME, NICKEL  AND SO ON

 

 

PACKING

 

QBH BULK

 

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

 

 

QBH SMALL PACKING

 

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

 

 

QBH PALLET TYPE

 

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

 

 

MECHANICAL PROPERTY

 

TESTING STANDARD:DIN267- 4 OR ISO898-2

SIZE CLASS
04 05
PROOF LOAD
N/mm2

HV
NUT PROOF LOAD
N/mm2

HV
NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 380 188 302 NO THIN NUT 500 272 353 YES THIN NUT
M4 M7
M7 M10
M10 M16
M16 M39
SIZE CLASS
4 5
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 / / / / / 520 130 302 NO 1
M4 M7 580
M7 M10 590
M10 M16 610
M16 M39 510 117 302 NO 1 630 146
SIZE CLASS
6 8
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 600 150 302 NO 1 800 180 302 NO 1
M4 M7 670 855 200
M7 M10 680 870
M10 M16 700 880
M16 M39 720 170 920 233 353 YES
SIZE CLASS
8 9
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 / / / / / 900 170 302 NO 2
M4 M7 915 188
M7 M10 940
M10 M16 950
M16 M39 890 180 302 NO 2 920
SIZE CLASS
10 12
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 1040 272 353 YES 1 1140 295 353 YES 1
M4 M7 1040 1140
M7 M10 1040 1140
M10 M16 1050 1140
M16 M39 1060 / / / / /
SIZE CLASS  
12
PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE
/ M4 1150 272 353 YES 2
M4 M7 1150
M7 M10 1160
M10 M16 1190
M16 M39 1200

 

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.
     

Product application

Product Application The screw steel is widely used in the construction of civil engineering, such as houses, bridges, roads, etc. To highway, railway, bridges, culverts, tunnels, dams, flood control and other public facilities, small building foundation, beams, columns and walls, plates, rebar structure is

 

 

 

 

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